13126-07-3 Carbobenzoxyphenylalanylmethionine Cbz-phe-ala-met Cbz-phe-met L-Methionine, N-(N-((phenylmethoxy)carbonyl)-L-phenylalanyl)- NSC 334019 Nalpha-Carbobenzoxy-L-phenylalanyl-L-methionine